This port doesn't need databases/py-pysqlite2x dependency. Actually it doesn't use any database backend at all, so remove this.
I also checked deps for debian packages on mastersite (but for more fresh flyback version) - there is no pysqlite too:
Depends: python, python-glade2, python-gnome2, git-core
While here use GOOGLE_CODE instead of ${MASTER_SITE_GOOGLE_CODE} as mastersite.
Fix: Patch attached with submission follows: